1#ifndef HOSTAP_WLAN_H 2#define HOSTAP_WLAN_H 3 4#include <linux/wireless.h> 5#include <linux/netdevice.h> 6#include <linux/mutex.h> 7#include <net/iw_handler.h> 8#include <net/ieee80211_radiotap.h> 9#include <net/lib80211.h> 10 11#include "hostap_config.h" 12#include "hostap_common.h" 13 14#define MAX_PARM_DEVICES 8 15#define PARM_MIN_MAX "1-" __MODULE_STRING(MAX_PARM_DEVICES) 16#define DEF_INTS -1, -1, -1, -1, -1, -1, -1 17#define GET_INT_PARM(var,idx) var[var[idx] < 0 ? 0 : idx] 18 19 20/* Specific skb->protocol value that indicates that the packet already contains 21 * txdesc header. 22 * FIX: This might need own value that would be allocated especially for Prism2 23 * txdesc; ETH_P_CONTROL is commented as "Card specific control frames". 24 * However, these skb's should have only minimal path in the kernel side since 25 * prism2_send_mgmt() sends these with dev_queue_xmit() to prism2_tx(). */ 26#define ETH_P_HOSTAP ETH_P_CONTROL 27 28/* ARPHRD_IEEE80211_PRISM uses a bloated version of Prism2 RX frame header 29 * (from linux-wlan-ng) */ 30struct linux_wlan_ng_val { 31 u32 did; 32 u16 status, len; 33 u32 data; 34} __packed; 35 36struct linux_wlan_ng_prism_hdr { 37 u32 msgcode, msglen; 38 char devname[16]; 39 struct linux_wlan_ng_val hosttime, mactime, channel, rssi, sq, signal, 40 noise, rate, istx, frmlen; 41} __packed; 42 43struct linux_wlan_ng_cap_hdr { 44 __be32 version; 45 __be32 length; 46 __be64 mactime; 47 __be64 hosttime; 48 __be32 phytype; 49 __be32 channel; 50 __be32 datarate; 51 __be32 antenna; 52 __be32 priority; 53 __be32 ssi_type; 54 __be32 ssi_signal; 55 __be32 ssi_noise; 56 __be32 preamble; 57 __be32 encoding; 58} __packed; 59 60struct hostap_radiotap_rx { 61 struct ieee80211_radiotap_header hdr; 62 __le64 tsft; 63 u8 rate; 64 u8 padding; 65 __le16 chan_freq; 66 __le16 chan_flags; 67 s8 dbm_antsignal; 68 s8 dbm_antnoise; 69} __packed; 70 71#define LWNG_CAP_DID_BASE (4 | (1 << 6)) /* section 4, group 1 */ 72#define LWNG_CAPHDR_VERSION 0x80211001 73 74struct hfa384x_rx_frame { 75 /* HFA384X RX frame descriptor */ 76 __le16 status; /* HFA384X_RX_STATUS_ flags */ 77 __le32 time; /* timestamp, 1 microsecond resolution */ 78 u8 silence; /* 27 .. 154; seems to be 0 */ 79 u8 signal; /* 27 .. 154 */ 80 u8 rate; /* 10, 20, 55, or 110 */ 81 u8 rxflow; 82 __le32 reserved; 83 84 /* 802.11 */ 85 __le16 frame_control; 86 __le16 duration_id; 87 u8 addr1[6]; 88 u8 addr2[6]; 89 u8 addr3[6]; 90 __le16 seq_ctrl; 91 u8 addr4[6]; 92 __le16 data_len; 93 94 /* 802.3 */ 95 u8 dst_addr[6]; 96 u8 src_addr[6]; 97 __be16 len; 98 99 /* followed by frame data; max 2304 bytes */ 100} __packed; 101 102 103struct hfa384x_tx_frame { 104 /* HFA384X TX frame descriptor */ 105 __le16 status; /* HFA384X_TX_STATUS_ flags */ 106 __le16 reserved1; 107 __le16 reserved2; 108 __le32 sw_support; 109 u8 retry_count; /* not yet implemented */ 110 u8 tx_rate; /* Host AP only; 0 = firmware, or 10, 20, 55, 110 */ 111 __le16 tx_control; /* HFA384X_TX_CTRL_ flags */ 112 113 /* 802.11 */ 114 __le16 frame_control; /* parts not used */ 115 __le16 duration_id; 116 u8 addr1[6]; 117 u8 addr2[6]; /* filled by firmware */ 118 u8 addr3[6]; 119 __le16 seq_ctrl; /* filled by firmware */ 120 u8 addr4[6]; 121 __le16 data_len; 122 123 /* 802.3 */ 124 u8 dst_addr[6]; 125 u8 src_addr[6]; 126 __be16 len; 127 128 /* followed by frame data; max 2304 bytes */ 129} __packed; 130 131 132struct hfa384x_rid_hdr 133{ 134 __le16 len; 135 __le16 rid; 136} __packed; 137 138 139/* Macro for converting signal levels (range 27 .. 154) to wireless ext 140 * dBm value with some accuracy */ 141#define HFA384X_LEVEL_TO_dBm(v) 0x100 + (v) * 100 / 255 - 100 142 143#define HFA384X_LEVEL_TO_dBm_sign(v) (v) * 100 / 255 - 100 144 145struct hfa384x_scan_request { 146 __le16 channel_list; 147 __le16 txrate; /* HFA384X_RATES_* */ 148} __packed; 149 150struct hfa384x_hostscan_request { 151 __le16 channel_list; 152 __le16 txrate; 153 __le16 target_ssid_len; 154 u8 target_ssid[32]; 155} __packed; 156 157struct hfa384x_join_request { 158 u8 bssid[6]; 159 __le16 channel; 160} __packed; 161 162struct hfa384x_info_frame { 163 __le16 len; 164 __le16 type; 165} __packed; 166 167struct hfa384x_comm_tallies { 168 __le16 tx_unicast_frames; 169 __le16 tx_multicast_frames; 170 __le16 tx_fragments; 171 __le16 tx_unicast_octets; 172 __le16 tx_multicast_octets; 173 __le16 tx_deferred_transmissions; 174 __le16 tx_single_retry_frames; 175 __le16 tx_multiple_retry_frames; 176 __le16 tx_retry_limit_exceeded; 177 __le16 tx_discards; 178 __le16 rx_unicast_frames; 179 __le16 rx_multicast_frames; 180 __le16 rx_fragments; 181 __le16 rx_unicast_octets; 182 __le16 rx_multicast_octets; 183 __le16 rx_fcs_errors; 184 __le16 rx_discards_no_buffer; 185 __le16 tx_discards_wrong_sa; 186 __le16 rx_discards_wep_undecryptable; 187 __le16 rx_message_in_msg_fragments; 188 __le16 rx_message_in_bad_msg_fragments; 189} __packed; 190 191struct hfa384x_comm_tallies32 { 192 __le32 tx_unicast_frames; 193 __le32 tx_multicast_frames; 194 __le32 tx_fragments; 195 __le32 tx_unicast_octets; 196 __le32 tx_multicast_octets; 197 __le32 tx_deferred_transmissions; 198 __le32 tx_single_retry_frames; 199 __le32 tx_multiple_retry_frames; 200 __le32 tx_retry_limit_exceeded; 201 __le32 tx_discards; 202 __le32 rx_unicast_frames; 203 __le32 rx_multicast_frames; 204 __le32 rx_fragments; 205 __le32 rx_unicast_octets; 206 __le32 rx_multicast_octets; 207 __le32 rx_fcs_errors; 208 __le32 rx_discards_no_buffer; 209 __le32 tx_discards_wrong_sa; 210 __le32 rx_discards_wep_undecryptable; 211 __le32 rx_message_in_msg_fragments; 212 __le32 rx_message_in_bad_msg_fragments; 213} __packed; 214 215struct hfa384x_scan_result_hdr { 216 __le16 reserved; 217 __le16 scan_reason; 218#define HFA384X_SCAN_IN_PROGRESS 0 /* no results available yet */ 219#define HFA384X_SCAN_HOST_INITIATED 1 220#define HFA384X_SCAN_FIRMWARE_INITIATED 2 221#define HFA384X_SCAN_INQUIRY_FROM_HOST 3 222} __packed; 223 224#define HFA384X_SCAN_MAX_RESULTS 32 225 226struct hfa384x_scan_result { 227 __le16 chid; 228 __le16 anl; 229 __le16 sl; 230 u8 bssid[6]; 231 __le16 beacon_interval; 232 __le16 capability; 233 __le16 ssid_len; 234 u8 ssid[32]; 235 u8 sup_rates[10]; 236 __le16 rate; 237} __packed; 238 239struct hfa384x_hostscan_result { 240 __le16 chid; 241 __le16 anl; 242 __le16 sl; 243 u8 bssid[6]; 244 __le16 beacon_interval; 245 __le16 capability; 246 __le16 ssid_len; 247 u8 ssid[32]; 248 u8 sup_rates[10]; 249 __le16 rate; 250 __le16 atim; 251} __packed; 252 253struct comm_tallies_sums { 254 unsigned int tx_unicast_frames; 255 unsigned int tx_multicast_frames; 256 unsigned int tx_fragments; 257 unsigned int tx_unicast_octets; 258 unsigned int tx_multicast_octets; 259 unsigned int tx_deferred_transmissions; 260 unsigned int tx_single_retry_frames; 261 unsigned int tx_multiple_retry_frames; 262 unsigned int tx_retry_limit_exceeded; 263 unsigned int tx_discards; 264 unsigned int rx_unicast_frames; 265 unsigned int rx_multicast_frames; 266 unsigned int rx_fragments; 267 unsigned int rx_unicast_octets; 268 unsigned int rx_multicast_octets; 269 unsigned int rx_fcs_errors; 270 unsigned int rx_discards_no_buffer; 271 unsigned int tx_discards_wrong_sa; 272 unsigned int rx_discards_wep_undecryptable; 273 unsigned int rx_message_in_msg_fragments; 274 unsigned int rx_message_in_bad_msg_fragments; 275}; 276 277 278struct hfa384x_regs { 279 u16 cmd; 280 u16 evstat; 281 u16 offset0; 282 u16 offset1; 283 u16 swsupport0; 284}; 285 286 287#if defined(PRISM2_PCCARD) || defined(PRISM2_PLX) 288/* I/O ports for HFA384X Controller access */ 289#define HFA384X_CMD_OFF 0x00 290#define HFA384X_PARAM0_OFF 0x02 291#define HFA384X_PARAM1_OFF 0x04 292#define HFA384X_PARAM2_OFF 0x06 293#define HFA384X_STATUS_OFF 0x08 294#define HFA384X_RESP0_OFF 0x0A 295#define HFA384X_RESP1_OFF 0x0C 296#define HFA384X_RESP2_OFF 0x0E 297#define HFA384X_INFOFID_OFF 0x10 298#define HFA384X_CONTROL_OFF 0x14 299#define HFA384X_SELECT0_OFF 0x18 300#define HFA384X_SELECT1_OFF 0x1A 301#define HFA384X_OFFSET0_OFF 0x1C 302#define HFA384X_OFFSET1_OFF 0x1E 303#define HFA384X_RXFID_OFF 0x20 304#define HFA384X_ALLOCFID_OFF 0x22 305#define HFA384X_TXCOMPLFID_OFF 0x24 306#define HFA384X_SWSUPPORT0_OFF 0x28 307#define HFA384X_SWSUPPORT1_OFF 0x2A 308#define HFA384X_SWSUPPORT2_OFF 0x2C 309#define HFA384X_EVSTAT_OFF 0x30 310#define HFA384X_INTEN_OFF 0x32 311#define HFA384X_EVACK_OFF 0x34 312#define HFA384X_DATA0_OFF 0x36 313#define HFA384X_DATA1_OFF 0x38 314#define HFA384X_AUXPAGE_OFF 0x3A 315#define HFA384X_AUXOFFSET_OFF 0x3C 316#define HFA384X_AUXDATA_OFF 0x3E 317#endif /* PRISM2_PCCARD || PRISM2_PLX */ 318 319#ifdef PRISM2_PCI 320/* Memory addresses for ISL3874 controller access */ 321#define HFA384X_CMD_OFF 0x00 322#define HFA384X_PARAM0_OFF 0x04 323#define HFA384X_PARAM1_OFF 0x08 324#define HFA384X_PARAM2_OFF 0x0C 325#define HFA384X_STATUS_OFF 0x10 326#define HFA384X_RESP0_OFF 0x14 327#define HFA384X_RESP1_OFF 0x18 328#define HFA384X_RESP2_OFF 0x1C 329#define HFA384X_INFOFID_OFF 0x20 330#define HFA384X_CONTROL_OFF 0x28 331#define HFA384X_SELECT0_OFF 0x30 332#define HFA384X_SELECT1_OFF 0x34 333#define HFA384X_OFFSET0_OFF 0x38 334#define HFA384X_OFFSET1_OFF 0x3C 335#define HFA384X_RXFID_OFF 0x40 336#define HFA384X_ALLOCFID_OFF 0x44 337#define HFA384X_TXCOMPLFID_OFF 0x48 338#define HFA384X_PCICOR_OFF 0x4C 339#define HFA384X_SWSUPPORT0_OFF 0x50 340#define HFA384X_SWSUPPORT1_OFF 0x54 341#define HFA384X_SWSUPPORT2_OFF 0x58 342#define HFA384X_PCIHCR_OFF 0x5C 343#define HFA384X_EVSTAT_OFF 0x60 344#define HFA384X_INTEN_OFF 0x64 345#define HFA384X_EVACK_OFF 0x68 346#define HFA384X_DATA0_OFF 0x6C 347#define HFA384X_DATA1_OFF 0x70 348#define HFA384X_AUXPAGE_OFF 0x74 349#define HFA384X_AUXOFFSET_OFF 0x78 350#define HFA384X_AUXDATA_OFF 0x7C 351#define HFA384X_PCI_M0_ADDRH_OFF 0x80 352#define HFA384X_PCI_M0_ADDRL_OFF 0x84 353#define HFA384X_PCI_M0_LEN_OFF 0x88 354#define HFA384X_PCI_M0_CTL_OFF 0x8C 355#define HFA384X_PCI_STATUS_OFF 0x98 356#define HFA384X_PCI_M1_ADDRH_OFF 0xA0 357#define HFA384X_PCI_M1_ADDRL_OFF 0xA4 358#define HFA384X_PCI_M1_LEN_OFF 0xA8 359#define HFA384X_PCI_M1_CTL_OFF 0xAC 360 361/* PCI bus master control bits (these are undocumented; based on guessing and 362 * experimenting..) */ 363#define HFA384X_PCI_CTL_FROM_BAP (BIT(5) | BIT(1) | BIT(0)) 364#define HFA384X_PCI_CTL_TO_BAP (BIT(5) | BIT(0)) 365 366#endif /* PRISM2_PCI */ 367 368 369/* Command codes for CMD reg. */ 370#define HFA384X_CMDCODE_INIT 0x00 371#define HFA384X_CMDCODE_ENABLE 0x01 372#define HFA384X_CMDCODE_DISABLE 0x02 373#define HFA384X_CMDCODE_ALLOC 0x0A 374#define HFA384X_CMDCODE_TRANSMIT 0x0B 375#define HFA384X_CMDCODE_INQUIRE 0x11 376#define HFA384X_CMDCODE_ACCESS 0x21 377#define HFA384X_CMDCODE_ACCESS_WRITE (0x21 | BIT(8)) 378#define HFA384X_CMDCODE_DOWNLOAD 0x22 379#define HFA384X_CMDCODE_READMIF 0x30 380#define HFA384X_CMDCODE_WRITEMIF 0x31 381#define HFA384X_CMDCODE_TEST 0x38 382 383#define HFA384X_CMDCODE_MASK 0x3F 384 385/* Test mode operations */ 386#define HFA384X_TEST_CHANGE_CHANNEL 0x08 387#define HFA384X_TEST_MONITOR 0x0B 388#define HFA384X_TEST_STOP 0x0F 389#define HFA384X_TEST_CFG_BITS 0x15 390#define HFA384X_TEST_CFG_BIT_ALC BIT(3) 391 392#define HFA384X_CMD_BUSY BIT(15) 393 394#define HFA384X_CMD_TX_RECLAIM BIT(8) 395 396#define HFA384X_OFFSET_ERR BIT(14) 397#define HFA384X_OFFSET_BUSY BIT(15) 398 399 400/* ProgMode for download command */ 401#define HFA384X_PROGMODE_DISABLE 0 402#define HFA384X_PROGMODE_ENABLE_VOLATILE 1 403#define HFA384X_PROGMODE_ENABLE_NON_VOLATILE 2 404#define HFA384X_PROGMODE_PROGRAM_NON_VOLATILE 3 405 406#define HFA384X_AUX_MAGIC0 0xfe01 407#define HFA384X_AUX_MAGIC1 0xdc23 408#define HFA384X_AUX_MAGIC2 0xba45 409 410#define HFA384X_AUX_PORT_DISABLED 0 411#define HFA384X_AUX_PORT_DISABLE BIT(14) 412#define HFA384X_AUX_PORT_ENABLE BIT(15) 413#define HFA384X_AUX_PORT_ENABLED (BIT(14) | BIT(15)) 414#define HFA384X_AUX_PORT_MASK (BIT(14) | BIT(15)) 415 416#define PRISM2_PDA_SIZE 1024 417 418 419/* Events; EvStat, Interrupt mask (IntEn), and acknowledge bits (EvAck) */ 420#define HFA384X_EV_TICK BIT(15) 421#define HFA384X_EV_WTERR BIT(14) 422#define HFA384X_EV_INFDROP BIT(13) 423#ifdef PRISM2_PCI 424#define HFA384X_EV_PCI_M1 BIT(9) 425#define HFA384X_EV_PCI_M0 BIT(8) 426#endif /* PRISM2_PCI */ 427#define HFA384X_EV_INFO BIT(7) 428#define HFA384X_EV_DTIM BIT(5) 429#define HFA384X_EV_CMD BIT(4) 430#define HFA384X_EV_ALLOC BIT(3) 431#define HFA384X_EV_TXEXC BIT(2) 432#define HFA384X_EV_TX BIT(1) 433#define HFA384X_EV_RX BIT(0) 434 435 436/* HFA384X Information frames */ 437#define HFA384X_INFO_HANDOVERADDR 0xF000 /* AP f/w ? */ 438#define HFA384X_INFO_HANDOVERDEAUTHADDR 0xF001 /* AP f/w 1.3.7 */ 439#define HFA384X_INFO_COMMTALLIES 0xF100 440#define HFA384X_INFO_SCANRESULTS 0xF101 441#define HFA384X_INFO_CHANNELINFORESULTS 0xF102 /* AP f/w only */ 442#define HFA384X_INFO_HOSTSCANRESULTS 0xF103 443#define HFA384X_INFO_LINKSTATUS 0xF200 444#define HFA384X_INFO_ASSOCSTATUS 0xF201 /* ? */ 445#define HFA384X_INFO_AUTHREQ 0xF202 /* ? */ 446#define HFA384X_INFO_PSUSERCNT 0xF203 /* ? */ 447#define HFA384X_INFO_KEYIDCHANGED 0xF204 /* ? */ 448 449enum { HFA384X_LINKSTATUS_CONNECTED = 1, 450 HFA384X_LINKSTATUS_DISCONNECTED = 2, 451 HFA384X_LINKSTATUS_AP_CHANGE = 3, 452 HFA384X_LINKSTATUS_AP_OUT_OF_RANGE = 4, 453 HFA384X_LINKSTATUS_AP_IN_RANGE = 5, 454 HFA384X_LINKSTATUS_ASSOC_FAILED = 6 }; 455 456enum { HFA384X_PORTTYPE_BSS = 1, HFA384X_PORTTYPE_WDS = 2, 457 HFA384X_PORTTYPE_PSEUDO_IBSS = 3, HFA384X_PORTTYPE_IBSS = 0, 458 HFA384X_PORTTYPE_HOSTAP = 6 }; 459 460#define HFA384X_RATES_1MBPS BIT(0) 461#define HFA384X_RATES_2MBPS BIT(1) 462#define HFA384X_RATES_5MBPS BIT(2) 463#define HFA384X_RATES_11MBPS BIT(3) 464 465#define HFA384X_ROAMING_FIRMWARE 1 466#define HFA384X_ROAMING_HOST 2 467#define HFA384X_ROAMING_DISABLED 3 468 469#define HFA384X_WEPFLAGS_PRIVACYINVOKED BIT(0) 470#define HFA384X_WEPFLAGS_EXCLUDEUNENCRYPTED BIT(1) 471#define HFA384X_WEPFLAGS_HOSTENCRYPT BIT(4) 472#define HFA384X_WEPFLAGS_HOSTDECRYPT BIT(7) 473 474#define HFA384X_RX_STATUS_MSGTYPE (BIT(15) | BIT(14) | BIT(13)) 475#define HFA384X_RX_STATUS_PCF BIT(12) 476#define HFA384X_RX_STATUS_MACPORT (BIT(10) | BIT(9) | BIT(8)) 477#define HFA384X_RX_STATUS_UNDECR BIT(1) 478#define HFA384X_RX_STATUS_FCSERR BIT(0) 479 480#define HFA384X_RX_STATUS_GET_MSGTYPE(s) \ 481(((s) & HFA384X_RX_STATUS_MSGTYPE) >> 13) 482#define HFA384X_RX_STATUS_GET_MACPORT(s) \ 483(((s) & HFA384X_RX_STATUS_MACPORT) >> 8) 484 485enum { HFA384X_RX_MSGTYPE_NORMAL = 0, HFA384X_RX_MSGTYPE_RFC1042 = 1, 486 HFA384X_RX_MSGTYPE_BRIDGETUNNEL = 2, HFA384X_RX_MSGTYPE_MGMT = 4 }; 487 488 489#define HFA384X_TX_CTRL_ALT_RTRY BIT(5) 490#define HFA384X_TX_CTRL_802_11 BIT(3) 491#define HFA384X_TX_CTRL_802_3 0 492#define HFA384X_TX_CTRL_TX_EX BIT(2) 493#define HFA384X_TX_CTRL_TX_OK BIT(1) 494 495#define HFA384X_TX_STATUS_RETRYERR BIT(0) 496#define HFA384X_TX_STATUS_AGEDERR BIT(1) 497#define HFA384X_TX_STATUS_DISCON BIT(2) 498#define HFA384X_TX_STATUS_FORMERR BIT(3) 499 500/* HFA3861/3863 (BBP) Control Registers */ 501#define HFA386X_CR_TX_CONFIGURE 0x12 /* CR9 */ 502#define HFA386X_CR_RX_CONFIGURE 0x14 /* CR10 */ 503#define HFA386X_CR_A_D_TEST_MODES2 0x1A /* CR13 */ 504#define HFA386X_CR_MANUAL_TX_POWER 0x3E /* CR31 */ 505#define HFA386X_CR_MEASURED_TX_POWER 0x74 /* CR58 */ 506 507 508#ifdef __KERNEL__ 509 510#define PRISM2_TXFID_COUNT 8 511#define PRISM2_DATA_MAXLEN 2304 512#define PRISM2_TXFID_LEN (PRISM2_DATA_MAXLEN + sizeof(struct hfa384x_tx_frame)) 513#define PRISM2_TXFID_EMPTY 0xffff 514#define PRISM2_TXFID_RESERVED 0xfffe 515#define PRISM2_DUMMY_FID 0xffff 516#define MAX_SSID_LEN 32 517#define MAX_NAME_LEN 32 /* this is assumed to be equal to MAX_SSID_LEN */ 518 519#define PRISM2_DUMP_RX_HDR BIT(0) 520#define PRISM2_DUMP_TX_HDR BIT(1) 521#define PRISM2_DUMP_TXEXC_HDR BIT(2) 522 523struct hostap_tx_callback_info { 524 u16 idx; 525 void (*func)(struct sk_buff *, int ok, void *); 526 void *data; 527 struct hostap_tx_callback_info *next; 528}; 529 530 531/* IEEE 802.11 requires that STA supports concurrent reception of at least 532 * three fragmented frames. This define can be increased to support more 533 * concurrent frames, but it should be noted that each entry can consume about 534 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ 535#define PRISM2_FRAG_CACHE_LEN 4 536 537struct prism2_frag_entry { 538 unsigned long first_frag_time; 539 unsigned int seq; 540 unsigned int last_frag; 541 struct sk_buff *skb; 542 u8 src_addr[ETH_ALEN]; 543 u8 dst_addr[ETH_ALEN]; 544}; 545 546 547struct hostap_cmd_queue { 548 struct list_head list; 549 wait_queue_head_t compl; 550 volatile enum { CMD_SLEEP, CMD_CALLBACK, CMD_COMPLETED } type; 551 void (*callback)(struct net_device *dev, long context, u16 resp0, 552 u16 res); 553 long context; 554 u16 cmd, param0, param1; 555 u16 resp0, res; 556 volatile int issued, issuing; 557 558 atomic_t usecnt; 559 int del_req; 560}; 561 562/* options for hw_shutdown */ 563#define HOSTAP_HW_NO_DISABLE BIT(0) 564#define HOSTAP_HW_ENABLE_CMDCOMPL BIT(1) 565 566typedef struct local_info local_info_t; 567 568struct prism2_helper_functions { 569 /* these functions are defined in hardware model specific files 570 * (hostap_{cs,plx,pci}.c */ 571 int (*card_present)(local_info_t *local); 572 void (*cor_sreset)(local_info_t *local); 573 void (*genesis_reset)(local_info_t *local, int hcr); 574 575 /* the following functions are from hostap_hw.c, but they may have some 576 * hardware model specific code */ 577 578 /* FIX: low-level commands like cmd might disappear at some point to 579 * make it easier to change them if needed (e.g., cmd would be replaced 580 * with write_mif/read_mif/testcmd/inquire); at least get_rid and 581 * set_rid might move to hostap_{cs,plx,pci}.c */ 582 int (*cmd)(struct net_device *dev, u16 cmd, u16 param0, u16 *param1, 583 u16 *resp0); 584 void (*read_regs)(struct net_device *dev, struct hfa384x_regs *regs); 585 int (*get_rid)(struct net_device *dev, u16 rid, void *buf, int len, 586 int exact_len); 587 int (*set_rid)(struct net_device *dev, u16 rid, void *buf, int len); 588 int (*hw_enable)(struct net_device *dev, int initial); 589 int (*hw_config)(struct net_device *dev, int initial); 590 void (*hw_reset)(struct net_device *dev); 591 void (*hw_shutdown)(struct net_device *dev, int no_disable); 592 int (*reset_port)(struct net_device *dev); 593 void (*schedule_reset)(local_info_t *local); 594 int (*download)(local_info_t *local, 595 struct prism2_download_param *param); 596 int (*tx)(struct sk_buff *skb, struct net_device *dev); 597 int (*set_tim)(struct net_device *dev, int aid, int set); 598 int (*read_aux)(struct net_device *dev, unsigned addr, int len, 599 u8 *buf); 600 601 int need_tx_headroom; /* number of bytes of headroom needed before 602 * IEEE 802.11 header */ 603 enum { HOSTAP_HW_PCCARD, HOSTAP_HW_PLX, HOSTAP_HW_PCI } hw_type; 604}; 605 606 607struct prism2_download_data { 608 u32 dl_cmd; 609 u32 start_addr; 610 u32 num_areas; 611 struct prism2_download_data_area { 612 u32 addr; /* wlan card address */ 613 u32 len; 614 u8 *data; /* allocated data */ 615 } data[0]; 616}; 617 618 619#define HOSTAP_MAX_BSS_COUNT 64 620#define MAX_WPA_IE_LEN 64 621 622struct hostap_bss_info { 623 struct list_head list; 624 unsigned long last_update; 625 unsigned int count; 626 u8 bssid[ETH_ALEN]; 627 u16 capab_info; 628 u8 ssid[32]; 629 size_t ssid_len; 630 u8 wpa_ie[MAX_WPA_IE_LEN]; 631 size_t wpa_ie_len; 632 u8 rsn_ie[MAX_WPA_IE_LEN]; 633 size_t rsn_ie_len; 634 int chan; 635 int included; 636}; 637 638 639/* Per radio private Host AP data - shared by all net devices interfaces used 640 * by each radio (wlan#, wlan#ap, wlan#sta, WDS). 641 * ((struct hostap_interface *) netdev_priv(dev))->local points to this 642 * structure. */ 643struct local_info { 644 struct module *hw_module; 645 int card_idx; 646 int dev_enabled; 647 int master_dev_auto_open; /* was master device opened automatically */ 648 int num_dev_open; /* number of open devices */ 649 struct net_device *dev; /* master radio device */ 650 struct net_device *ddev; /* main data device */ 651 struct list_head hostap_interfaces; /* Host AP interface list (contains 652 * struct hostap_interface entries) 653 */ 654 rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock 655 * when removing entries from the list. 656 * TX and RX paths can use read lock. */ 657 spinlock_t cmdlock, baplock, lock, irq_init_lock; 658 struct mutex rid_bap_mtx; 659 u16 infofid; /* MAC buffer id for info frame */ 660 /* txfid, intransmitfid, next_txtid, and next_alloc are protected by 661 * txfidlock */ 662 spinlock_t txfidlock; 663 int txfid_len; /* length of allocated TX buffers */ 664 u16 txfid[PRISM2_TXFID_COUNT]; /* buffer IDs for TX frames */ 665 /* buffer IDs for intransmit frames or PRISM2_TXFID_EMPTY if 666 * corresponding txfid is free for next TX frame */ 667 u16 intransmitfid[PRISM2_TXFID_COUNT]; 668 int next_txfid; /* index to the next txfid to be checked for 669 * availability */ 670 int next_alloc; /* index to the next intransmitfid to be checked for 671 * allocation events */ 672 673 /* bitfield for atomic bitops */ 674#define HOSTAP_BITS_TRANSMIT 0 675#define HOSTAP_BITS_BAP_TASKLET 1 676#define HOSTAP_BITS_BAP_TASKLET2 2 677 unsigned long bits; 678 679 struct ap_data *ap; 680 681 char essid[MAX_SSID_LEN + 1]; 682 char name[MAX_NAME_LEN + 1]; 683 int name_set; 684 u16 channel_mask; /* mask of allowed channels */ 685 u16 scan_channel_mask; /* mask of channels to be scanned */ 686 struct comm_tallies_sums comm_tallies; 687 struct proc_dir_entry *proc; 688 int iw_mode; /* operating mode (IW_MODE_*) */ 689 int pseudo_adhoc; /* 0: IW_MODE_ADHOC is real 802.11 compliant IBSS 690 * 1: IW_MODE_ADHOC is "pseudo IBSS" */ 691 char bssid[ETH_ALEN]; 692 int channel; 693 int beacon_int; 694 int dtim_period; 695 int mtu; 696 int frame_dump; /* dump RX/TX frame headers, PRISM2_DUMP_ flags */ 697 int fw_tx_rate_control; 698 u16 tx_rate_control; 699 u16 basic_rates; 700 int hw_resetting; 701 int hw_ready; 702 int hw_reset_tries; /* how many times reset has been tried */ 703 int hw_downloading; 704 int shutdown; 705 int pri_only; 706 int no_pri; /* no PRI f/w present */ 707 int sram_type; /* 8 = x8 SRAM, 16 = x16 SRAM, -1 = unknown */ 708 709 enum { 710 PRISM2_TXPOWER_AUTO = 0, PRISM2_TXPOWER_OFF, 711 PRISM2_TXPOWER_FIXED, PRISM2_TXPOWER_UNKNOWN 712 } txpower_type; 713 int txpower; /* if txpower_type == PRISM2_TXPOWER_FIXED */ 714 715 /* command queue for hfa384x_cmd(); protected with cmdlock */ 716 struct list_head cmd_queue; 717 /* max_len for cmd_queue; in addition, cmd_callback can use two 718 * additional entries to prevent sleeping commands from stopping 719 * transmits */ 720#define HOSTAP_CMD_QUEUE_MAX_LEN 16 721 int cmd_queue_len; /* number of entries in cmd_queue */ 722 723 /* if card timeout is detected in interrupt context, reset_queue is 724 * used to schedule card reseting to be done in user context */ 725 struct work_struct reset_queue; 726 727 /* For scheduling a change of the promiscuous mode RID */ 728 int is_promisc; 729 struct work_struct set_multicast_list_queue; 730 731 struct work_struct set_tim_queue; 732 struct list_head set_tim_list; 733 spinlock_t set_tim_lock; 734 735 int wds_max_connections; 736 int wds_connections; 737#define HOSTAP_WDS_BROADCAST_RA BIT(0) 738#define HOSTAP_WDS_AP_CLIENT BIT(1) 739#define HOSTAP_WDS_STANDARD_FRAME BIT(2) 740 u32 wds_type; 741 u16 tx_control; /* flags to be used in TX description */ 742 int manual_retry_count; /* -1 = use f/w default; otherwise retry count 743 * to be used with all frames */ 744 745 struct iw_statistics wstats; 746 unsigned long scan_timestamp; /* Time started to scan */ 747 enum { 748 PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1, 749 PRISM2_MONITOR_CAPHDR = 2, PRISM2_MONITOR_RADIOTAP = 3 750 } monitor_type; 751 int monitor_allow_fcserr; 752 753 int hostapd; /* whether user space daemon, hostapd, is used for AP 754 * management */ 755 int hostapd_sta; /* whether hostapd is used with an extra STA interface 756 */ 757 struct net_device *apdev; 758 struct net_device_stats apdevstats; 759 760 char assoc_ap_addr[ETH_ALEN]; 761 struct net_device *stadev; 762 struct net_device_stats stadevstats; 763 764#define WEP_KEYS 4 765#define WEP_KEY_LEN 13 766 struct lib80211_crypt_info crypt_info; 767 768 int open_wep; /* allow unencrypted frames */ 769 int host_encrypt; 770 int host_decrypt; 771 int privacy_invoked; /* force privacy invoked flag even if no keys are 772 * configured */ 773 int fw_encrypt_ok; /* whether firmware-based WEP encrypt is working 774 * in Host AP mode (STA f/w 1.4.9 or newer) */ 775 int bcrx_sta_key; /* use individual keys to override default keys even 776 * with RX of broad/multicast frames */ 777 778 struct prism2_frag_entry frag_cache[PRISM2_FRAG_CACHE_LEN]; 779 unsigned int frag_next_idx; 780 781 int ieee_802_1x; /* is IEEE 802.1X used */ 782 783 int antsel_tx, antsel_rx; 784 int rts_threshold; /* dot11RTSThreshold */ 785 int fragm_threshold; /* dot11FragmentationThreshold */ 786 int auth_algs; /* PRISM2_AUTH_ flags */ 787 788 int enh_sec; /* cnfEnhSecurity options (broadcast SSID hide/ignore) */ 789 int tallies32; /* 32-bit tallies in use */ 790 791 struct prism2_helper_functions *func; 792 793 u8 *pda; 794 int fw_ap; 795#define PRISM2_FW_VER(major, minor, variant) \ 796(((major) << 16) | ((minor) << 8) | variant) 797 u32 sta_fw_ver; 798 799 /* Tasklets for handling hardware IRQ related operations outside hw IRQ 800 * handler */ 801 struct tasklet_struct bap_tasklet; 802 803 struct tasklet_struct info_tasklet; 804 struct sk_buff_head info_list; /* info frames as skb's for 805 * info_tasklet */ 806 807 struct hostap_tx_callback_info *tx_callback; /* registered TX callbacks 808 */ 809 810 struct tasklet_struct rx_tasklet; 811 struct sk_buff_head rx_list; 812 813 struct tasklet_struct sta_tx_exc_tasklet; 814 struct sk_buff_head sta_tx_exc_list; 815 816 int host_roaming; 817 unsigned long last_join_time; /* time of last JoinRequest */ 818 struct hfa384x_hostscan_result *last_scan_results; 819 int last_scan_results_count; 820 enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type; 821 struct work_struct info_queue; 822 unsigned long pending_info; /* bit field of pending info_queue items */ 823#define PRISM2_INFO_PENDING_LINKSTATUS 0 824#define PRISM2_INFO_PENDING_SCANRESULTS 1 825 int prev_link_status; /* previous received LinkStatus info */ 826 int prev_linkstatus_connected; 827 u8 preferred_ap[6]; /* use this AP if possible */ 828 829#ifdef PRISM2_CALLBACK 830 void *callback_data; /* Can be used in callbacks; e.g., allocate 831 * on enable event and free on disable event. 832 * Host AP driver code does not touch this. */ 833#endif /* PRISM2_CALLBACK */ 834 835 wait_queue_head_t hostscan_wq; 836 837 /* Passive scan in Host AP mode */ 838 struct timer_list passive_scan_timer; 839 int passive_scan_interval; /* in seconds, 0 = disabled */ 840 int passive_scan_channel; 841 enum { PASSIVE_SCAN_WAIT, PASSIVE_SCAN_LISTEN } passive_scan_state; 842 843 struct timer_list tick_timer; 844 unsigned long last_tick_timer; 845 unsigned int sw_tick_stuck; 846 847 /* commsQuality / dBmCommsQuality data from periodic polling; only 848 * valid for Managed and Ad-hoc modes */ 849 unsigned long last_comms_qual_update; 850 int comms_qual; /* in some odd unit.. */ 851 int avg_signal; /* in dB (note: negative) */ 852 int avg_noise; /* in dB (note: negative) */ 853 struct work_struct comms_qual_update; 854 855 /* RSSI to dBm adjustment (for RX descriptor fields) */ 856 int rssi_to_dBm; /* substract from RSSI to get approximate dBm value */ 857 858 /* BSS list / protected by local->lock */ 859 struct list_head bss_list; 860 int num_bss_info; 861 int wpa; /* WPA support enabled */ 862 int tkip_countermeasures; 863 int drop_unencrypted; 864 /* Generic IEEE 802.11 info element to be added to 865 * ProbeResp/Beacon/(Re)AssocReq */ 866 u8 *generic_elem; 867 size_t generic_elem_len; 868 869#ifdef PRISM2_DOWNLOAD_SUPPORT 870 /* Persistent volatile download data */ 871 struct prism2_download_data *dl_pri; 872 struct prism2_download_data *dl_sec; 873#endif /* PRISM2_DOWNLOAD_SUPPORT */ 874 875#ifdef PRISM2_IO_DEBUG 876#define PRISM2_IO_DEBUG_SIZE 10000 877 u32 io_debug[PRISM2_IO_DEBUG_SIZE]; 878 int io_debug_head; 879 int io_debug_enabled; 880#endif /* PRISM2_IO_DEBUG */ 881 882 /* Pointer to hardware model specific (cs,pci,plx) private data. */ 883 void *hw_priv; 884}; 885 886 887/* Per interface private Host AP data 888 * Allocated for each net device that Host AP uses (wlan#, wlan#ap, wlan#sta, 889 * WDS) and netdev_priv(dev) points to this structure. */ 890struct hostap_interface { 891 struct list_head list; /* list entry in Host AP interface list */ 892 struct net_device *dev; /* pointer to this device */ 893 struct local_info *local; /* pointer to shared private data */ 894 struct net_device_stats stats; 895 struct iw_spy_data spy_data; /* iwspy support */ 896 struct iw_public_data wireless_data; 897 898 enum { 899 HOSTAP_INTERFACE_MASTER, 900 HOSTAP_INTERFACE_MAIN, 901 HOSTAP_INTERFACE_AP, 902 HOSTAP_INTERFACE_STA, 903 HOSTAP_INTERFACE_WDS, 904 } type; 905 906 union { 907 struct hostap_interface_wds { 908 u8 remote_addr[ETH_ALEN]; 909 } wds; 910 } u; 911}; 912 913 914#define HOSTAP_SKB_TX_DATA_MAGIC 0xf08a36a2 915 916/* 917 * TX meta data - stored in skb->cb buffer, so this must not be increased over 918 * the 48-byte limit. 919 * THE PADDING THIS STARTS WITH IS A HORRIBLE HACK THAT SHOULD NOT LIVE 920 * TO SEE THE DAY. 921 */ 922struct hostap_skb_tx_data { 923 unsigned int __padding_for_default_qdiscs; 924 u32 magic; /* HOSTAP_SKB_TX_DATA_MAGIC */ 925 u8 rate; /* transmit rate */ 926#define HOSTAP_TX_FLAGS_WDS BIT(0) 927#define HOSTAP_TX_FLAGS_BUFFERED_FRAME BIT(1) 928#define HOSTAP_TX_FLAGS_ADD_MOREDATA BIT(2) 929 u8 flags; /* HOSTAP_TX_FLAGS_* */ 930 u16 tx_cb_idx; 931 struct hostap_interface *iface; 932 unsigned long jiffies; /* queueing timestamp */ 933 unsigned short ethertype; 934}; 935 936 937#ifndef PRISM2_NO_DEBUG 938 939#define DEBUG_FID BIT(0) 940#define DEBUG_PS BIT(1) 941#define DEBUG_FLOW BIT(2) 942#define DEBUG_AP BIT(3) 943#define DEBUG_HW BIT(4) 944#define DEBUG_EXTRA BIT(5) 945#define DEBUG_EXTRA2 BIT(6) 946#define DEBUG_PS2 BIT(7) 947#define DEBUG_MASK (DEBUG_PS | DEBUG_AP | DEBUG_HW | DEBUG_EXTRA) 948#define PDEBUG(n, args...) \ 949do { if ((n) & DEBUG_MASK) printk(KERN_DEBUG args); } while (0) 950#define PDEBUG2(n, args...) \ 951do { if ((n) & DEBUG_MASK) printk(args); } while (0) 952 953#else /* PRISM2_NO_DEBUG */ 954 955#define PDEBUG(n, args...) 956#define PDEBUG2(n, args...) 957 958#endif /* PRISM2_NO_DEBUG */ 959 960enum { BAP0 = 0, BAP1 = 1 }; 961 962#define PRISM2_IO_DEBUG_CMD_INB 0 963#define PRISM2_IO_DEBUG_CMD_INW 1 964#define PRISM2_IO_DEBUG_CMD_INSW 2 965#define PRISM2_IO_DEBUG_CMD_OUTB 3 966#define PRISM2_IO_DEBUG_CMD_OUTW 4 967#define PRISM2_IO_DEBUG_CMD_OUTSW 5 968#define PRISM2_IO_DEBUG_CMD_ERROR 6 969#define PRISM2_IO_DEBUG_CMD_INTERRUPT 7 970 971#ifdef PRISM2_IO_DEBUG 972 973#define PRISM2_IO_DEBUG_ENTRY(cmd, reg, value) \ 974(((cmd) << 24) | ((reg) << 16) | value) 975 976static inline void prism2_io_debug_add(struct net_device *dev, int cmd, 977 int reg, int value) 978{ 979 struct hostap_interface *iface = netdev_priv(dev); 980 local_info_t *local = iface->local; 981 982 if (!local->io_debug_enabled) 983 return; 984 985 local->io_debug[local->io_debug_head] = jiffies & 0xffffffff; 986 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE) 987 local->io_debug_head = 0; 988 local->io_debug[local->io_debug_head] = 989 PRISM2_IO_DEBUG_ENTRY(cmd, reg, value); 990 if (++local->io_debug_head >= PRISM2_IO_DEBUG_SIZE) 991 local->io_debug_head = 0; 992} 993 994 995static inline void prism2_io_debug_error(struct net_device *dev, int err) 996{ 997 struct hostap_interface *iface = netdev_priv(dev); 998 local_info_t *local = iface->local; 999 unsigned long flags; 1000 1001 if (!local->io_debug_enabled) 1002 return; 1003 1004 spin_lock_irqsave(&local->lock, flags); 1005 prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_ERROR, 0, err); 1006 if (local->io_debug_enabled == 1) { 1007 local->io_debug_enabled = 0; 1008 printk(KERN_DEBUG "%s: I/O debug stopped\n", dev->name); 1009 } 1010 spin_unlock_irqrestore(&local->lock, flags); 1011} 1012 1013#else /* PRISM2_IO_DEBUG */ 1014 1015static inline void prism2_io_debug_add(struct net_device *dev, int cmd, 1016 int reg, int value) 1017{ 1018} 1019 1020static inline void prism2_io_debug_error(struct net_device *dev, int err) 1021{ 1022} 1023 1024#endif /* PRISM2_IO_DEBUG */ 1025 1026 1027#ifdef PRISM2_CALLBACK 1028enum { 1029 /* Called when card is enabled */ 1030 PRISM2_CALLBACK_ENABLE, 1031 1032 /* Called when card is disabled */ 1033 PRISM2_CALLBACK_DISABLE, 1034 1035 /* Called when RX/TX starts/ends */ 1036 PRISM2_CALLBACK_RX_START, PRISM2_CALLBACK_RX_END, 1037 PRISM2_CALLBACK_TX_START, PRISM2_CALLBACK_TX_END 1038}; 1039void prism2_callback(local_info_t *local, int event); 1040#else /* PRISM2_CALLBACK */ 1041#define prism2_callback(d, e) do { } while (0) 1042#endif /* PRISM2_CALLBACK */ 1043 1044#endif /* __KERNEL__ */ 1045 1046#endif /* HOSTAP_WLAN_H */ 1047